81854136

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 283481640

約数和(自身を除く): 201627504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 52, 56, 62, 63, 72, 78, 84, 91, 93, 104, 117, 124, 126, 156, 168, 169, 182, 186, 217, 234, 248, 252, 273, 279, 312, 338, 364, 372, 403, 434, 468, 504, 507, 546, 558, 651, 676, 728, 744, 806, 819, 868, 936, 961, 1014, 1092, 1116, 1183, 1209, 1302, 1352, 1521, 1612, 1638, 1736, 1922, 1953, 2028, 2184, 2232, 2366, 2418, 2604, 2821, 2883, 3042, 3224, 3276, 3549, 3627, 3844, 3906, 4056, 4732, 4836, 5208, 5239, 5642, 5766, 6084, 6552, 6727, 7098, 7254, 7688, 7812, 8463, 8649, 9464, 9672, 10478, 10647, 11284, 11532, 12168, 12493, 13454, 14196, 14508, 15624, 15717, 16926, 17298, 20181, 20956, 21294, 22568, 23064, 24986, 25389, 26908, 28392, 29016, 31434, 33852, 34596, 36673, 37479, 40362, 41912, 42588, 47151, 49972, 50778, 53816, 60543, 62868, 67704, 69192, 73346, 74958, 80724, 85176, 87451, 94302, 99944, 101556, 110019, 112437, 121086, 125736, 146692, 149916, 161448, 162409, 174902, 188604, 203112, 220038, 224874, 242172, 262353, 293384, 299832, 324818, 330057, 349804, 377208, 440076, 449748, 484344, 487227, 524706, 649636, 660114, 699608, 787059, 880152, 899496, 974454, 1049412, 1136863, 1299272, 1320228, 1461681, 1574118, 1948908, 2098824, 2273726, 2640456, 2923362, 3148236, 3410589, 3897816, 4547452, 5846724, 6296472, 6821178, 9094904, 10231767, 11693448, 13642356, 20463534, 27284712, 40927068, 81854136]

約数ペア:

[(1, 81854136), (2, 40927068), (3, 27284712), (4, 20463534), (6, 13642356), (7, 11693448), (8, 10231767), (9, 9094904), (12, 6821178), (13, 6296472), (14, 5846724), (18, 4547452), (21, 3897816), (24, 3410589), (26, 3148236), (28, 2923362), (31, 2640456), (36, 2273726), (39, 2098824), (42, 1948908), (52, 1574118), (56, 1461681), (62, 1320228), (63, 1299272), (72, 1136863), (78, 1049412), (84, 974454), (91, 899496), (93, 880152), (104, 787059), (117, 699608), (124, 660114), (126, 649636), (156, 524706), (168, 487227), (169, 484344), (182, 449748), (186, 440076), (217, 377208), (234, 349804), (248, 330057), (252, 324818), (273, 299832), (279, 293384), (312, 262353), (338, 242172), (364, 224874), (372, 220038), (403, 203112), (434, 188604), (468, 174902), (504, 162409), (507, 161448), (546, 149916), (558, 146692), (651, 125736), (676, 121086), (728, 112437), (744, 110019), (806, 101556), (819, 99944), (868, 94302), (936, 87451), (961, 85176), (1014, 80724), (1092, 74958), (1116, 73346), (1183, 69192), (1209, 67704), (1302, 62868), (1352, 60543), (1521, 53816), (1612, 50778), (1638, 49972), (1736, 47151), (1922, 42588), (1953, 41912), (2028, 40362), (2184, 37479), (2232, 36673), (2366, 34596), (2418, 33852), (2604, 31434), (2821, 29016), (2883, 28392), (3042, 26908), (3224, 25389), (3276, 24986), (3549, 23064), (3627, 22568), (3844, 21294), (3906, 20956), (4056, 20181), (4732, 17298), (4836, 16926), (5208, 15717), (5239, 15624), (5642, 14508), (5766, 14196), (6084, 13454), (6552, 12493), (6727, 12168), (7098, 11532), (7254, 11284), (7688, 10647), (7812, 10478), (8463, 9672), (8649, 9464)]